Výsledky vyhledávání - "Pereyra, F.X."

Soils, soil forming factors and pedogenetic processes of a sectorin the central-western Santa Cruz province

Autor: Villegas, D.C., Pereyra, F.X., Ferrer, J.A.

Publikováno v: Rev. Asoc. Geol. Argent. 2007;62(3):366-374
Biblioteca Digital (UBA-FCEN)
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN

The study area is located in central-western Santa Cruz including El Chaltén town between 49°00'and 49°36'S - 73°30'and 72°00'W. Environmental variability, relief, parent material, altitude, climate, vegetation and soils were recognized. Accordi

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Urban geology of the Buenos Aires metropolitan area and its influence on environmental problems

Autor: Pereyra, F.X.

Publikováno v: Rev. Asoc. Geol. Argent. 2004;59(3):394-410
Biblioteca Digital (UBA-FCEN)
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN

The main environmental problems existing in Buenos Aires metropolitan area were studied in an area located on the Pampean plains (Llanura Pampeana) at about 32°S and 66°W. Since its foundation in 1580, the city of Buenos Aires has experienced a str

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Soil genesis and landscape evolution in the Parana River Delta

Autor: Pereyra, F.X., Baumann, V., Altinier, V., Ferrer, J., Tchilinguirian, P.

Publikováno v: Rev. Asoc. Geol. Argent. 2004;59(2):229-242
Biblioteca Digital (UBA-FCEN)
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN

The relationships between landscapes features evolution and soil genesis and distribution are studied. The area is located in southern Entre Rios province (33o00'-33o45'S and 58o30'-59o17'W). The Parana River Delta, has a complex genetic evolution, d

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Soil genesis in Rio de las Vueltas valley, Santa Cruz province, Patagonia

Autor: Villegas, D.C., Pereyra, F.X., Irisarri, J.A., Ferrer, J.A., Viaggio, A.

Publikováno v: Rev. Asoc. Geol. Argent. 2004;59(2):200-212
Biblioteca Digital (UBA-FCEN)
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN

Factors of soils formation, parent material, and relief in western part of Santa Cruz province (southermost Patagonia) were studied in rio de las Vueltas valley beetween Laguna del Desierto and Lago Viedma (49oS-49o30′S y a 73o W). There is great s

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Genesis and distribution of soils in relation to parent material and relief in the Central region of Santa Cruz province

Autor: Ferrer, J.A., Pereyra, F.X., Villegas, D., Castro Godoy, S.E.

Publikováno v: Rev. Asoc. Geol. Argent. 2001;56(3):377-391
Biblioteca Digital (UBA-FCEN)
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN

Soil-landscape relationships were studied in the central region of Santa Cruz, southern Argentina, between 49-51°S on the Atlantic coast westward to the international border with Chile. Two different sectors were distinguished. The western area, inc

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Geoformas y suelos en el Valle del Río Traful, Provincia del Neuquén

Autor: Ferrer, J.A., Pereyra, F.X., Villegas, D.

Publikováno v: Rev. Asoc. Geol. Argent. 1999;54(3):270-280
Biblioteca Digital (UBA-FCEN)
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN

Landforms and soils in the Traful River Valley, Neuquén Province. The Andes Patagónicos Region is characterised by the presence of strong west-east bioclimatic, geomorphological and lithostratigraphical gradients, that controlled the genesis and ge

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Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province

Autor: Pereyra, F.X.

Publikováno v: Rev. Asoc. Geol. Argent. 1996;51(3):248-260
Biblioteca Digital (UBA-FCEN)
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN

The main geomorphological features of a sector of Sierras Australes (Buenos Aires province) are described. Fluvial processes (mainly formation of alluvial fans), mass wasting (creep and debrisflows) and wind action (deflation and acumulation) are res

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